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Marissa Mayer, Yahoo CEO's Pregnancy Reignites A Perennial Debate

But this wasn't just any excited mom-to-be. This was 37-year-old Marissa Mayer, the newly named CEO of Yahoo – obviously a huge achievement for anyone, but especially for a woman in the male-dominated tech industry. And she was about six months pregnant, to boot.

Exciting news – especially for Mayer and her husband, of course – but did it mean something for the rest of us, too? Was it a watershed moment in the perennial debate over whether women can "have it all," with the pendulum swinging happily in the positive direction?

Or was it, as some claimed in the inevitable back-and-forth on Twitter, actually a development that would increase pressure on other working moms, who might not have nearly the resources that Mayer does, in terms of wealth, power, talent and flexibility on the job?

Or was it even sexist to raise the question at all? Would anyone be saying anything if the new Yahoo CEO were an expectant father? No, went a frequent online thread: No one would even pay attention to that.